/*******************************************************************************

                    CONDAT (UK)

********************************************************************************

 This software product is the property of Condat (UK) Ltd and may not be
 disclosed to any third party without the express permission of the owner.

********************************************************************************

 $Project name: Basic MMI
 $Project code: BMI (6349)
 $Module:       Calculator
 $File:         MmiCalculatorMain.c
 $Revision:     1.0

 $Author:       Condat(UK)
 $Date:         25/10/00

********************************************************************************

 Description

    This provides the main calculator functionality


********************************************************************************
 $History: MmiCalculatorMain.c

    25/10/00            Original Condat(UK) BMI version.

    xrashmic 20 Oct, 2005 MMI-SPR-33845
    To display BACK softkey when no more character are left in the calulator editor

    Oct 20, 2004    REF: CRR 25755 xnkulkar
    Description: calculator -divide by zero operation is allowed.
    Fix:    Display "Not Allowed" message when user tries to divide a number by 0 and do not perform the
                 division. Also, show the editor again so that user can enter a number other than 0.

 $End

*******************************************************************************/
#define MAX_CALC_TOTAL 999999999
#define MIN_CALC_TOTAL -99999999

/******************************************************************************

                                Include Files

*******************************************************************************/
#define ENTITY_MFW

/* includes */
#include <string.h>
#include <stdio.h>
#include <stdlib.h>

#if defined (NEW_FRAME)

#include "typedefs.h"
#include "vsi.h"
#include "pei.h"
#include "custom.h"
#include "gsm.h"

#else

#include "STDDEFS.H"
#include "custom.h"
#include "gsm.h"
#include "vsi.h"

#endif
#include "message.h"
#include "prim.h"
#include "aci_cmh.h"


#include "mfw_mfw.h"
#include "mfw_win.h"
/* SPR#1428 - SH - New Editor changes */
#ifndef NEW_EDITOR
#include "mfw_edt.h"
#endif
#include "mfw_tim.h"
#include "mfw_phb.h"
#include "ksd.h"
#include "psa.h"
#include "mfw_icn.h"
#include "mfw_mnu.h"
#include "mfw_lng.h"
#include "mfw_sat.h"
#include "mfw_kbd.h"
#include "mfw_nm.h"
#include "mfw_sms.h"

#include "dspl.h"

#include "MmiMmi.h"
#include "MmiDummy.h"
#include "MmiDialogs.h"
#include "MmiLists.h"
#include "MmiIdle.h"
#include "MmiSoftKeys.h"
#include "Mmiicons.h"
#include "MmiMenu.h"
#include "MmiMain.h"
#include "MmiStart.h"
#include "MmiPins.h"
#include "MmiSettings.h"

/* SPR#1428 - SH - New Editor changes */
#ifdef NEW_EDITOR
#include "ATBCommon.h"
#include "ATBDisplay.h"
#include "ATBEditor.h"
#include "AUIEditor.h"
#include "AUICalcEditor.h"
#else
#include "MmiEditor.h"
#endif
#include "MmiBookShared.h"
#include "mmiSmsMenu.h"
#include "MmiCalculatorMain.h"
#include "mmiColours.h"

#include "cus_aci.h"

#include "pcm.h"


/*******************************************************************************

                                Function Prototypes

*******************************************************************************/
static T_MFW_HND calc_create(MfwHnd parent_window);
void calc_destroy(MfwHnd own_window);
static void calcGetNumberCB( T_MFW_HND win, USHORT Identifier, SHORT reason );
static void calcGetOperandCB( T_MFW_HND win, USHORT Identifier, SHORT reason );
static void calc_DialogCB( T_MFW_HND win, USHORT event, SHORT identifier, void *parameter);
T_MFW_HND calc_start(T_MFW_HND parent_window);
double calcGetRunningTotal(void);
char operatorSymbol(UBYTE operator);
static void calc_menu_cb(T_MFW_HND parent_win, UBYTE identifier, UBYTE reason);
/*******************************************************************************

                                Static Global Variable(s)

*******************************************************************************/

static double running_total;

static T_MFW_HND calculator_win = NULL;


// Oct 20, 2004    REF: CRR 25755 xnkulkar
// Added this flag to detect 'divide by zero' operation
BOOL divideByZero = FALSE;

/*******************************************************************************

                                Public Functions

*******************************************************************************/
/*******************************************************************************

 $Function:     calculator

 $Description:  Starts the calculator function on user selection

 $Returns:      MFW_EVENT_CONSUMED if event handled, otherwise
                MFW_EVENT_PASSED

 $Arguments:    menu, menu item

*******************************************************************************/
int calculator(MfwMnu* m, MfwMnuItem* i)
{
    T_MFW_HND           parent       = mfwParent( mfw_header());
    TRACE_FUNCTION("calculator()");
    calc_start(parent);
    return MFW_EVENT_CONSUMED;
}

/*******************************************************************************

 $Function:     calcPlus

 $Description:  Handles the selction of the "Plus" option in the calculator menu

 $Returns:      MFW_EVENT_CONSUMED if event handled, otherwise
                MFW_EVENT_PASSED

 $Arguments:    menu, menu item

*******************************************************************************/
int calcPlus(MfwMnu* m, MfwMnuItem* i)
{
    T_MFW_WIN*          win_data;
    tCalcData*          data;

    TRACE_FUNCTION("calcPlus()");
    //if new window successfully created
    if (calculator_win NEQ NULL)
        {   win_data   = ( (T_MFW_HDR *) calculator_win )->data;
            data = (tCalcData*)win_data->user;
            data->operation = PLUS;//set the arithmetic operation
            SEND_EVENT (calculator_win, CALC_ENTER_OPERAND, 0, 0);
        }
    return MFW_EVENT_CONSUMED;
}

/*******************************************************************************

 $Function:     calcMinus

 $Description:  Handles the selection of the "Minus" option in the calculator menu

 $Returns:      MFW_EVENT_CONSUMED if event handled, otherwise
                MFW_EVENT_PASSED

 $Arguments:    menu, menu item

*******************************************************************************/
int calcMinus(MfwMnu* m, MfwMnuItem* i)
{
    T_MFW_WIN*          win_data;
    tCalcData*          data;

    //if new window successfully created
    TRACE_FUNCTION("calcMinus()");
    if (calculator_win NEQ NULL)
        {   win_data   = ( (T_MFW_HDR *) calculator_win )->data;
            data = (tCalcData*)win_data->user;
            data->operation = MINUS;//set the arithmetic operation
            SEND_EVENT (calculator_win, CALC_ENTER_OPERAND, 0, 0);
        }
    return MFW_EVENT_CONSUMED;
}

/*******************************************************************************

 $Function:     calcDivide

 $Description:  Handles the selection of the "Divide" option in the calculator menu

 $Returns:      MFW_EVENT_CONSUMED if event handled, otherwise
                MFW_EVENT_PASSED

 $Arguments:    menu, menu item

*******************************************************************************/
int calcDivide(MfwMnu* m, MfwMnuItem* i)
{
    T_MFW_WIN*          win_data;
    tCalcData*          data;

    TRACE_FUNCTION("calcDivide()");
    //if new window successfully created
    if (calculator_win NEQ NULL)
        {   win_data   = ( (T_MFW_HDR *) calculator_win )->data;
            data = (tCalcData*)win_data->user;
            data->operation = DIVIDE;//set the arithmetic operation
            SEND_EVENT (calculator_win, CALC_ENTER_OPERAND, 0, 0);
        }
    return MFW_EVENT_CONSUMED;
}
/*******************************************************************************

 $Function:     calcMultiply

 $Description:  Handles the selection of the "Multiply" option in the calculator menu

 $Returns:      MFW_EVENT_CONSUMED if event handled, otherwise
                MFW_EVENT_PASSED

 $Arguments:    menu, menu item

*******************************************************************************/
int calcMultiply(MfwMnu* m, MfwMnuItem* i)
{
    T_MFW_WIN*          win_data;
    tCalcData*          data;

    TRACE_FUNCTION("calcMultiply()");
    //if new window successfully created
    if (calculator_win NEQ NULL)
        {   win_data   = ( (T_MFW_HDR *) calculator_win )->data;
            data = (tCalcData*)win_data->user;
            data->operation = MULTIPLY;//set the arithmetic operation
            SEND_EVENT (calculator_win, CALC_ENTER_OPERAND, 0, 0);
        }
    return MFW_EVENT_CONSUMED;
}

// Oct 20, 2004    REF: CRR 25755 xnkulkar
/*******************************************************************************

 $Function:     info_screen_cb

 $Description:  Callback function for info screen

 $Returns:  nothing

 $Arguments:    Parent Window handle, identifier and reason

*******************************************************************************/

static void info_screen_cb(T_MFW_HND parent_win, UBYTE identifier, UBYTE reason)
{
    // Send CALC_ENTER_OPERAND event tp prompt the user to enter the operand again
    SEND_EVENT (calculator_win, CALC_ENTER_OPERAND, 0, 0);
}

/*******************************************************************************

 $Function:     calcEquals

 $Description:  Handles the selection of the "Equals" option in the calculator menu

 $Returns:      MFW_EVENT_CONSUMED if event handled, otherwise
                MFW_EVENT_PASSED

 $Arguments:    menu, menu item

*******************************************************************************/
int calcEquals(MfwMnu* m, MfwMnuItem* i)
{
    TRACE_FUNCTION("calcEquals()");

    // Oct 20, 2004    REF: CRR 25755 xnkulkar
    // if 'divide by zero' operation is attempted
    if(divideByZero == TRUE)
    {
        divideByZero = FALSE;   // disable the flag
        info_screen(0, TxtNotAllowed, TxtNull,(T_VOID_FUNC) info_screen_cb); // display "Not Allowed" message
        return MFW_EVENT_CONSUMED; // consume the event
    }

    if (calculator_win NEQ NULL)
    {
        SEND_EVENT (calculator_win, CALC_DISPLAY_RESULT, 0, 0);
    }

    return MFW_EVENT_CONSUMED;
}

/*******************************************************************************

                                Private Functions

*******************************************************************************/
/*******************************************************************************

 $Function:     calcGetRunningTotal

 $Description:  If the calculator's running total value ever needs to be accessed by
                code in another file, then this function ought to be made public to prevent
                to allow safe access;

 $Returns:      Calculator's running total (double)

 $Arguments:    none

*******************************************************************************/
double calcGetRunningTotal(void)
{
    TRACE_FUNCTION("calcGetRunningTotal()");
    return running_total;
}

/*******************************************************************************

 $Function:     operatorSymbol

 $Description:  returns character corresponding to arithmetic operation

 $Returns:      Operator character

 $Arguments:    Operator enum

*******************************************************************************/
char operatorSymbol(UBYTE operator)
{
    TRACE_FUNCTION("operatorSymbol()");
    switch (operator)
    {
        case (PLUS):    return '+';  //  break;  // RAVI
        case (MINUS):   return '-'; // break;  // RAVI
        case (MULTIPLY): return '*'; // break;  // RAVI
        case (DIVIDE):  return '/'; // break;  // RAVI
        default:        return '\0'; // break;  // RAVI
    }
}


/*******************************************************************************

 $Function:     calc_start

 $Description:  Creates the calculator window and calls for it to be initialised

 $Returns:      Window

 $Arguments:    Parent Window

*******************************************************************************/

T_MFW_HND calc_start(T_MFW_HND parent_window)
{
    T_MFW_HND           win           = calc_create(parent_window);
    TRACE_FUNCTION("calc_start()");
    if (win NEQ NULL)
    {
        SEND_EVENT (win, CALC_INIT, 0, 0);
    }

    return win;
}

/*******************************************************************************

 $Function:     calc_create

 $Description:  Creates the calculator window and connect the dialog data to it

 $Returns:      Window

 $Arguments:    Parent Window

*******************************************************************************/
static T_MFW_HND calc_create(MfwHnd parent_window)
{
    tCalcData     * data = (tCalcData *)ALLOC_MEMORY (sizeof (tCalcData ));
    T_MFW_WIN  * win;

    TRACE_FUNCTION("calc_create()");
    if (data EQ NULL)
    {
        return NULL;
    }

    // Create window handler
    data->win = win_create (parent_window, 0, E_WIN_VISIBLE, NULL);
    if (data->win EQ NULL)
    {
        return NULL;
    }
    // connect the dialog data to the MFW-window
    data->mmi_control.dialog = (T_DIALOG_FUNC)calc_DialogCB;
    data->mmi_control.data   = data;
    win                      = ((T_MFW_HDR *)data->win)->data;
    win->user                = (void *)data;
    data->parent_win         = parent_window;
    calculator_win = data->win;
    return data->win;
}

/*******************************************************************************

 $Function:     calc_DialogCB

 $Description:  Callback function for the calculator window

 $Returns:      nothing

 $Arguments:    Window, event, identifier (not used), parameter (not used)

*******************************************************************************/
static void calc_DialogCB(T_MFW_HND win, USHORT e,  SHORT identifier, void *parameter)
{
    T_MFW_WIN           *win_data   = ( (T_MFW_HDR *) win )->data;
    tCalcData* data = (tCalcData *) win_data->user;
    char display_buffer[28] = "";
#ifdef NEW_EDITOR
//  T_AUI_EDITOR_DATA   editor_data;    /* SPR#1428 - SH - New Editor data */  // RAVI
#else
//  T_EDITOR_DATA       editor_data;   // RAVI
#endif
    char* running_total_out;
//  char debug_buffer[50];  // RAVI
    TRACE_FUNCTION("calc_DialogCB()");

    switch( e )
    {   //when window first created
        case CALC_INIT:
        {   //set running total to 0 and display in editor
            TRACE_EVENT("CALC-INIT-JGG");
            running_total = 0;
            data->menu_options_win = NULL;

            /* SPR#1428 - SH - New editor: calc starts with 0 */
#ifdef NEW_EDITOR
            sprintf(data->buffer, "%s", "0");   /* SH - calc starts off with '0'*/
#else
            sprintf(data->buffer, "%s", "");    /* SH - calc starts off with nothing*/
#endif

            calcSetEditor(win);//set editor with default attribute values
            /* SPR#1428 - SH - New Editor changes: use calc editor */
#ifdef NEW_EDITOR
            AUI_edit_SetEvents(&data->editor_data, 0, TRUE, FOREVER, (T_AUI_EDIT_CB)calcGetNumberCB);
            data->editor_win = AUI_calc_Start(win, &data->editor_data);
#else /* NEW_EDITOR */
            data->editor_data.Callback          = (T_EDIT_CB)calcGetNumberCB;
            data->editor_win = editor_start(win, &(data->editor_data));  /* start the editor */
#endif /* NEW_EDITOR */
            winShow(data->win);
        }
        break;

        //when an arithmetic operator has been selected from the calc menu
        case CALC_ENTER_OPERAND:
        {
            TRACE_EVENT("CALC_ENTER_OPERAND");
            /* This memory alloc seems to fix a problem where running_total_out
             * would become an empty string after sevaral running calculations */
            running_total_out = (char*)ALLOC_MEMORY(22*sizeof(char));   /* SH - change malloc to ALLOC_MEMORY */

            running_total_out[0] = '\0';

            /* Display the first operand and the operator symbol
             * above the operand to be entered */
            if ( (long)calcGetRunningTotal() == calcGetRunningTotal())
                sprintf((char*)running_total_out, "%d", (long)calcGetRunningTotal());
            else
                sprintf((char*)running_total_out, "%f", calcGetRunningTotal());

            if (running_total_out[8] == '.')
                running_total_out[8] = '\0';
            else
                running_total_out[9] = '\0';

            sprintf((char*)display_buffer,"%s %c", running_total_out, operatorSymbol(data->operation));
            FREE_MEMORY((void*)running_total_out, 22*sizeof(char));     /* SH - change free to FREE_MEMORY */

            /* SPR#1428 - SH - Calc now starts off with '0' */
#ifdef NEW_EDITOR
            sprintf(data->buffer, "%s", "0");   /* SH - calc starts off with '0'*/
#else
            sprintf(data->buffer, "%s", "");    /* SH - calc starts off with nothing*/
#endif

            calcSetEditor(win);

            /* SPR#1428 - SH - New Editor changes */
 #ifdef NEW_EDITOR
            AUI_edit_SetEvents(&data->editor_data, 0, TRUE, FOREVER, (T_AUI_EDIT_CB)calcGetOperandCB);
            AUI_edit_SetTextStr(&data->editor_data, TxtSoftOptions, TxtDelete, TxtCalculator, (UBYTE *)display_buffer);
            AUI_edit_SetAltTextStr(&data->editor_data, 1, TxtSoftOptions, TRUE, TxtSoftBack);//x0035544 17-11-2005
            data->input_number_win = AUI_calc_Start(win, &data->editor_data);
#else /* NEW_EDITOR */
            data->editor_data.TextString = display_buffer;
            data->editor_data.editor_attr.win.px = 0;
            data->editor_data.editor_attr.win.py = Mmi_layout_line(3); //30
            data->editor_data.editor_attr.win.sx = SCREEN_SIZE_X;
            data->editor_data.editor_attr.win.sy = numberLineHeight()+2;

            data->editor_data.Callback          = (T_EDIT_CB)calcGetOperandCB;
            data->input_number_win = editor_start(win, &(data->editor_data));  /* start the editor */
#endif /* NEW_EDITOR */

            winShow(data->win);

            /* Marcus: Issue 1039: 05/09/2002: Start */
            if (data->menu_options_win != NULL)
            {
                bookMenuDestroy( data->menu_options_win );
                data->menu_options_win = NULL;
            }
            /* Marcus: Issue 1039: 05/09/2002: End */
        }
        break;

        //when "Equals" selected from calc menu
        case CALC_DISPLAY_RESULT:
        {
            //if running total out of display range, set it to 0
            if ((calcGetRunningTotal() > MAX_CALC_TOTAL) || (calcGetRunningTotal() < MIN_CALC_TOTAL))
                running_total =0;
            //Convert running total double to string
            //if integer total, don't display any decimal places
            if ( (long)calcGetRunningTotal() == calcGetRunningTotal())
                sprintf(data->buffer, "%d", (long) calcGetRunningTotal());
            else //if a floating-point total, display as many decimal places as will fit
                sprintf(data->buffer, "%f", (double) calcGetRunningTotal());
            //if last number in display is a decimal point
            if (data->buffer[8] == '.')
                data->buffer[8] = '\0';//remove it
            data->buffer[9] = '\0'; //ensure string is properly terminated
            //ensure string is no longer than 9 chars

            calcSetEditor(win);

            /* SPR#1428 - SH - New Editor changes */
 #ifdef NEW_EDITOR
            AUI_edit_SetEvents(&data->editor_data, 0, TRUE, FOREVER, (T_AUI_EDIT_CB)calcGetNumberCB);
            AUI_calc_Start(win, &data->editor_data);
 #else /* NEW_EDITOR */
            data->editor_data.Callback          = (T_EDIT_CB)calcGetNumberCB;
            editor_start(win, &(data->editor_data));  /* start the editor */
#endif /* NEW_EDITOR */

            /* Marcus: Issue 1039: 05/09/2002: Start */
            if (data->menu_options_win != NULL)
            {
                bookMenuDestroy( data->menu_options_win );
                data->menu_options_win = NULL;
            }
            /* Marcus: Issue 1039: 05/09/2002: End */

            winShow(data->win);
        }
        break;
        default:
        {
                TRACE_EVENT("calc_DialogCB(): Unknown Event");
        }
        break;

    }
}

/*******************************************************************************

 $Function:     calcGetNumberCB

 $Description:  Callback function for the editor window

 $Returns:      nothing

 $Arguments:    Window,  identifier (not used), reason (not used)

*******************************************************************************/
static void calcGetNumberCB( T_MFW_HND win, USHORT Identifier, SHORT reason)
{
    T_MFW_WIN       *win_data   = ( (T_MFW_HDR *) win )->data;
    tCalcData   *data       = (tCalcData *) win_data->user;
    float after_decimal = 0;
    int digits_after_point = 0;
    int i;
    char* end;
//    char debug[40];  // RAVI


    TRACE_FUNCTION("calcGetNumberCB()");

    switch (reason )
    {
        case INFO_KCD_LEFT:
        {   TRACE_EVENT("Left button pressed in calculator");
            //get the number entered before the decimal point
            running_total = strtol(data->buffer, &end, 10);
            if (strlen(end) != 0)
            {   //if decimal point entered
                if ((end[0] == '.') && isdigit(end[1]))//get number after decimal point
                {
                    end++;
                    digits_after_point = strlen(end);
                    after_decimal = strtol(end, &end, 10);
                }

                //convert number after decimal point to it's actual fractional value
                for (i=0; i < digits_after_point; i++)
                    after_decimal = after_decimal/10;
                //add whole number and fraction together
                running_total = running_total + after_decimal;
            }
            if (data->menu_options_win != NULL)
                bookMenuDestroy( data->menu_options_win );
            //start the calculator option menu and kill this window
            data->menu_options_win = bookMenuStart( data->win, calcOptionMenuAttributes(),0);
             SEND_EVENT(data->menu_options_win, ADD_CALLBACK, NULL, (void *)calc_menu_cb);

        }
        break;

        case INFO_KCD_HUP:
        case INFO_KCD_RIGHT:
        {
            TRACE_EVENT("Right button pressed in calculator");
            calc_destroy(win);
        }
        break;

        default:
        {
            /* otherwise no action to be performed
            */
            /*calc_destroy(win); */ /*SH - do not destroy calc for other key */
            break;
        }
    }
}


/*******************************************************************************

 $Function:     calcGetOperandCB

 $Description:  Callback function for the editor window, when second number in operation
                is entered.

 $Returns:      nothing

 $Arguments:    Window,  identifier (not used), reason (not used)

*******************************************************************************/

static void calcGetOperandCB( T_MFW_HND win, USHORT Identifier, SHORT reason)
{
    T_MFW_WIN       *win_data   = ( (T_MFW_HDR *) win )->data;
    tCalcData   *data       = (tCalcData *) win_data->user;
//  char* buffer;  // RAVI
    float operand = 0;
    float after_decimal = 0;
    int digits_after_point = 0;
    int i;
    char* end;
    char debug[40];

    TRACE_FUNCTION("calcGetOperandCB()");
    TRACE_EVENT_P2("ID, reason: %d, %d", Identifier, reason);

    switch (reason )
    {
        case INFO_KCD_LEFT:
  /* SPR#1428 - SH - New Editor: Can use '*' or centre button as 'equals', to show result */
#ifdef NEW_EDITOR
#ifdef COLOURDISPLAY
        case INFO_KCD_SELECT:
#endif /* COLOURDISPLAY */
        case INFO_KCD_STAR:
#endif /* NEW_EDITOR */
        {   //Get whole number before decimal point
            operand = strtol(data->buffer, &end, 10);

            //if buffer not pointing at an empty string now
            if (strlen(end) != 0)
            {   //if decimal point entered
                if ((end[0] == '.') && isdigit(end[1]))//get number after decimal point
                {
                    end++;
                    digits_after_point = strlen(end);
                    after_decimal = strtol(end, &end, 10);
                    sprintf(debug,"Digits after decimal: %f.", after_decimal);
                }
                //convert number after decimal point to an appropriate fraction
                for (i=0; i < digits_after_point; i++)
                    after_decimal = after_decimal/10;
                //add whole and fraction together
                operand = operand + after_decimal;
            }

            //perform the arithmetic function requested
            switch (data->operation)
            {
                case PLUS: running_total = running_total + operand; break;
                case MINUS: running_total = running_total - operand;break;
                case MULTIPLY: running_total = running_total * operand;break;
                case DIVIDE:
                // Oct 20, 2004    REF: CRR 25755 xnkulkar
                // if the attempted division is by zero
                if(operand == 0)
                {
                    divideByZero = TRUE; // enable the flag
                }
                else // else perform the division operation
                {
                    running_total = running_total / operand;
                }
                break;
                default: TRACE_EVENT("Unknown calc operation"); break;
            }

        /* SPR#1428 - SH - New Editor: Can use '*' as 'equals', to show result */
#ifdef NEW_EDITOR
#ifdef COLOURDISPLAY
        if (reason==INFO_KCD_STAR || reason==INFO_KCD_SELECT)
#else /* COLOURDISPLAY */
            if (reason==INFO_KCD_STAR)
#endif /* COLOURDISPLAY */
            {
                TRACE_EVENT("Star key - show result");
                /* Star didn't destroy window automatically, do it here */
                if (data->menu_options_win != NULL)
                {
                    bookMenuDestroy( data->menu_options_win );
                    data->menu_options_win = NULL;
                }
                if (data->input_number_win)
                {
                    AUI_calc_Destroy(data->input_number_win);
                    data->input_number_win = NULL;
                }
                SEND_EVENT(data->win, CALC_DISPLAY_RESULT, 0, 0);
            }
            else
#endif /* NEW_EDITOR */
            {
                //Show option menu
                if (data->menu_options_win != NULL)
                    bookMenuDestroy( data->menu_options_win );
                data->menu_options_win = bookMenuStart( data->win, calcOptionMenuAttributes(),0);
            }
        }
        break;

        case INFO_KCD_HUP:
        case INFO_KCD_RIGHT:
        {
            TRACE_EVENT("Right button pressed in calculator");

            calc_destroy(win);
        }
        break;

        default:
        {
            /* otherwise no action to be performed
            */
            break;
        }
    }
}


static void calc_menu_cb(T_MFW_HND parent_win, UBYTE identifier, UBYTE reason)
{
    T_MFW_WIN           *win_data   = ( (T_MFW_HDR *) parent_win )->data;
    tCalcData* data = (tCalcData *) win_data->user;

    TRACE_FUNCTION("calc_menu_cb()");
    //set menu window to NULL to prevent any dealloc problems
    data->menu_options_win = NULL;
    calc_destroy(parent_win);
}

/*******************************************************************************

 $Function:     calcSetEditor

 $Description:  Sets the editor attributes to defaults for the calculator module

 $Returns:      nothing

 $Arguments:    Window

*******************************************************************************/
void calcSetEditor(T_MFW_HND win)
{
    T_MFW_WIN           *win_data   = ( (T_MFW_HDR *) win )->data;
    tCalcData* data = (tCalcData *) win_data->user;

    TRACE_FUNCTION("calcSetEditor()");

    /* SPR#1428 - SH - New Editor changes */
#ifdef NEW_EDITOR
    {
        AUI_edit_SetDefault(&data->editor_data);
        AUI_edit_SetDisplay(&data->editor_data, ZONE_FULL_SK_TITLE, COLOUR_EDITOR, EDITOR_FONT);
        AUI_edit_SetBuffer(&data->editor_data, ATB_DCS_ASCII, (UBYTE *)data->buffer, 10);
        AUI_edit_SetMode(&data->editor_data, 0, ED_CURSOR_NONE);
        AUI_edit_SetEvents(&data->editor_data, 0, TRUE, FOREVER, NULL);
        AUI_edit_SetTextStr(&data->editor_data, TxtSoftOptions, TxtDelete, TxtCalculator, NULL);
        //xrashmic 20 Oct, 2005 MMI-SPR-33845
        //Editor always starts with min one character "0" and
        //alterRight softkey is set to "BACK" here.
        data->editor_data.min_enter=1;
        data->editor_data.AltRightSoftKey=TxtSoftBack ;
        AUI_edit_SetFormatAttr(&data->editor_data, DS_ALIGN_RIGHT);
    }
#else /* NEW_EDITOR */
    editor_attr_init(&((data->editor_data).editor_attr), 0, edtCurBar1, 0, data->buffer, 10, COLOUR_EDITOR);
    editor_data_init( &data->editor_data, NULL, TxtSoftOptions, TxtDelete, NULL, 1, CALC_MODE, FOREVER);
            data->editor_data.hide              = FALSE;
            data->editor_data.Identifier        = 0xFFFF ;
            data->editor_data.destroyEditor     = TRUE;
#endif /* NEW_EDITOR */

    return;
}

/*******************************************************************************

 $Function:     calc_destroy

 $Description:  Destroys the calculator editor window and frees up memory

 $Returns:      nothing

 $Arguments:    Window

*******************************************************************************/
void calc_destroy(MfwHnd own_window)
{
  T_MFW_WIN * win_data;
  tCalcData   * data = NULL;

  TRACE_EVENT ("calc_destroy()");
  if (own_window)
    {

    win_data = ((T_MFW_HDR *)own_window)->data;
        if (win_data != NULL) //PATCH TB
            data = (tCalcData *)win_data->user;

      if (data)
        {

            win_delete (data->win);
            /* Marcus: Issue 1039: 05/09/2002: Start */
            if (data->menu_options_win != NULL)
            {
                bookMenuDestroy( data->menu_options_win );
                data->menu_options_win = NULL;
            }
            /* Marcus: Issue 1039: 05/09/2002: End */
          // Free Memory
            FREE_MEMORY ((void *)data, sizeof (tCalcData));

        }
      else
        {
            TRACE_EVENT ("calc_destroy() called twice");
        }
    }
}